T The Thousand Islands is one of the 10 priority tourist destinations, where Bidadari Island is one part of the Thousand Islands group. Bidadari Island has a wealth of natural potential in the form of beautiful beaches and a diversity of beautiful flora and fauna as well as historical relics in the form of forts that can be used as adventure tourism activities. The description of the landscape condition of Bidadari Island shows that the landscape is owned as a system, where the natural potential and the facilities owned form a single unit as a system of tourist destinations. Currently, Bidadari Island has not been equipped with facilities for adventure tourism which illustrates the existence of tourism activities and conservation activities. For this reason, it is necessary to carry out an inventory and evaluation of the potential possessed by qualitative research methods and SWOT analysis, so that it can produce adventure tourism facilities as a harmonization of tourism activities and conservation activities. The results of this study are natural systems in the form of vegetation formation, fauna, and island conservation, social systems in the form of historical heritage, and natural tourism on Bidadari Island which will be used as the basis for developing Bidadari Island landscape design in the form of adventure tourism.